Members

Meet the principal investigators

Zan Luthey-Schulten is director of the NSF Science and Technology Center for Quantitative Cell Biology. (She is pictured here with QCB faculty member Martin Gruebele.) Rohit Bhagarva is the associate director.

Martin Gruebele and Zaida Luthey-Schulten
Zaida Luthey-Schulten

Zaida Luthey-Schulten

Job title Director

ORCID 0000-0001-9749-8367


 

Zaida "Zan" Luthey-Schulten isprimarily responsible for the GPU-based integrative cell modeling of 4D whole cell models (4DWCMs) and knowledge transfer with NVIDIA. She is responsible for all NSF reporting requirements.

She received a B.S. in Chemistry from the University of Southern California in 1969, a M.S. in Chemistry from Harvard University in 1972, and a Ph.D. in Applied Mathematics from Harvard University in 1975. From 1975 to 1980, she was a Research Fellow at the Max-Planck Institute for Biophysical Chemistry in Goettingen, and from 1980 to 1985, a Research Fellow in the Department of Theoretical Physics at the Technical University of Munich. She is theMurchison-Mallory Endowed Chair in Chemistry. Zan closely collaborates with many theory and experimental groups in the center, as well as outside groups, to unify -omics, microscopy and many other types of data into 4DWCMs of bacterial, yeast and human cells.

 

 

Rohit Bhargava

Rohit Bhargava View Rohit Bhargava in Beckman directory

ORCID 0000-0001-7360-994X


Rohit is QCB associate director. His lab conducts advanced optical experiments, such as IR tomography and optogenetics. His lab is engaged in fundamental advances in measurement technology that can record spectroscopic data from exceptionally small volumes of single cells. Rohit and his colleagues advanced previous methods to increase greatly the reliability and speed of chemical imaging data. They are currently working with Mark Anastasio to develop more sensitive spectral analysis methods with signal processing of recorded data. They are working with Martin Gruebele to quantify spectral properties of metabolites. And, they have started working with Angad Mehta group to chemically image changes in yeast mitochondrial dynamics alter metabolism. Rohit also directs the Cancer Center at Illinois, with synergies in imaging and how cells respond to perturbations.

Team leaders

Sharlene Denos

Sharlene Denos

ORCID 0000-0001-9684-5822


Sharlene is responsible for overseeing the Broader Impacts aims of the STC for Quantitative Cell Biology. She serves on the Executive Committee and chairs the Inclusion, Diversity, Equity, and Access (IDEA) committee. She will manage outreach, diversity, and professional development programs for the center, including the annual Summer School in Quantitative Cell Biology, the Villa-Cisse Scholars Program, the Summer Sabbatical, and STC-QCB CARES Program.

She received her B.S. in Biochemistry and Molecular Biology from the UC Santa Cruz and her Ph.D. in Biophysics and Quantitative Biology from Illinois. She is currently a Teaching Assistant Professor in the Physics Department at UIUC, where she oversees the development of courses in biological physics to be ported to other universities with help of the QCB, as well as many diversity and public engagement initiatives.

Martin Gruebele

Martin Gruebele

Job title Team Lead

ORCID 0000-0001-9291-8123


Martin is responsible for imaging and tracking experimental efforts with MINFLUX and will coordinate with the computational and outreach teams, as well as the director and team leaders. He and Glenn Fried are the primary contact for knowledge transfer with Abberior Instruments.

He received his B.S. in 1984, and his Ph.D. in 1988, both from the UC Berkeley. After working as a postdoctoral fellow at Caltech, he joined the faculty of the University of Illinois in 1992. He is theJames R. Eiszner Endowed Chair in Chemistry. His group studies virus capsids and beads ranging in size from 30-150 nm in live cells, using MINFLUX as a probe of mesoscale structure in nucleus and cytoplasm via diffusion, and will measure interactions between individual pairs of proteins in the live mammalian cell using MINFLUX, including spliceosome and other dynamic organelles where the whole-cell models need inputs. Published collaborations with Zan Luthey-Schulten, Emad Tajkorshid and others in the center focus on whole-cell and even organismal dynamics.

Erik Lindahl

Erik Lindahl

Unit title Stockholm University and KTH Royal Institute of Technology

Website https://www.su.se/english/profiles/erlin-1.189634


Erik’s research is focused on understanding structure and function of ligand-gated ion channels, particularly in the human nervous system. Much of his team’s work is dependent on large computer resources, so they develop numerous computational tools, particularly in the codes GROMACS & RELION. Like molecular simulation technology in GROMACS to enable modeling, simulation and analysis of systems with hundreds of millions to billions of particles and combining cryo-EM and cryo-ET data, such as collected by Mahamid’s group, with molecular modeling. Together with a number of universities in Europe, they have established a new EU-funded center-of-excellence for computational biomolecular research, BioExcel, where he’s the lead scientist. Since 2014, he has served on the Scientific Steering Committee for the European Computer Infrastructure PRACE, as well as chair of the Scientific Steering Committee and on the PRACE Board of Directors. Presently, he sits on the Research and Industrial Advisory Group of EuroHPC. He holds a PhD in Theoretical Biophysics from KTH, Stockholm, Sweden, and has authored more than 130 publications.

Julia Mahamid

Julia Mahamid

Unit title European Molecular Biology Laboratory

Website https://www.embl.org/people/person/julia-mahamid/


Julia contributed to advancement of cryo-focused ion beam preparations from intact cells, their synergy with state-of-the-art cryo-electron microscopy imaging, spearheaded the development of 3D cryo-correlative confocal fluorescence microscopy for site-specific preparations, and pioneered cryo-FIB lift-out for visual proteomics in multicellular specimens. She and her group at the EMBL, an international team of interdisciplinary researchers, continue to develop cryo-electron tomography to achieved unprecedented resolution for macromolecular complexes and their organization inside cells to give rise to complex biology. They will collaborate with members of the STC to harness these data towards constructing realistic ultrastructural and molecular representations of whole cells.

Angad Mehta

Angad Mehta

ORCID 0000-0003-2585-8268


Angad's team leads the chemical biology components of center research. His lab has created yeast mutants that alter mitochondrial function and could alter mitochondrial networks. He uses fluorescence confocal imaging to test the correlation between mitochondrial function or dysfunction genotypes to changes in the mitochondrial dynamics. His group collaborates with Rohit Bhargava’s lab to perform imaging studies to investigate how changes in yeast mitochondrial dynamics alter metabolism. Angad’s lab has generated transcriptomics data for the minimal cell (strain syn1), and is currently working with HPCBio and Zan Luthey-Schulten’s lab to analyze the transcriptional profile of the minimal cells. They are also working on generating more replicates of these transcriptomics datasets. This is expected to inform operons, operonic structure, and relative abundances of all the transcripts within the minimal cell. They have also worked with Taekjip Ha’s lab on imaging studies of the minimal cell to study its cell division process.

Team members

Aleksei Aksimentiev

Aleksei Aksimentiev

ORCID 0000-0002-6042-8442


Aleksei and his group are developing multi-resolution computational approaches to unravel physical principles that govern essential biological processes. In collaboration with the center’s experimentalists, they investigate how proteins and RNA diffuse through the cytoplasm, and how nuclear transport is enabled by the nuclear pore complex.

Mark Anastasio

Mark Anastasio

ORCID 0000-0002-3192-4172


Mark and his team develop and validate novel computational methods for image analysis that will leverage MINFLUX and other data to advance the scientific mission of the center. They will also develop image formation methods that will enhance the capabilities of chemical imaging using infrared spectra, in collaboration with Bhargava and Zhang.

Mikael Backlund

Mikael Backlund

ORCID 0000-0001-6497-1939


Mikael and his group will explore the theoretical and experimental limits of MINFLUX for biological microscopy tasks beyond single-particle localization, including orientation-dependent single particle imaging in live cells.

Stephen Boppart

Stephen Boppart View Stephen Boppart in Beckman directory

ORCID 0000-0001-6497-1939


Stephen and his Biophotonics Imaging Laboratory team use novel label-free multi-modal nonlinear imaging methods to investigate mitochondrial and other organelle dynamics and distributions in living cells to understand the effect of stress on cells under varying metabolic states and stressors, working with Zhang and Bhargava to metabolite dynamics.

Yann Chemla

Yann Chemla

ORCID 0000-0001-9167-0234

Glenn Fried

Glenn Fried


Glenn Fried and his colleagues at the IGB Core will be managing the MINFLUX microscope as well as adding AI tools for volume EM imaging and sequential FISH labeling. Glenn is also a main center contact with industry partner Abberior.

John Glass

John Glass

Unit title J. Craig Venter Institute

Website https://www.jcvi.org/about/john-glass


John and his JCVI team are experts in the culture, genetic manipulation, and biochemical analysis of the minimal bacterial cell they constructed, JCVI-syn3A. They will provide other QCB teams advice about working with those bacteria and as needed and will build and analyze minimal cell mutants to assist other QCB teams.

Ido Golding

Ido Golding

ORCID 0000-0002-4308-4959


Ido and his lab illuminate the spatiotemporal dynamics of fundamental processes in bacterial cells using MINFLUX, single-molecule tracking (collaboration with Sangjin Kim), STORM and PAINT (collaboration with Paul Selvin). Ido also works with the Mehta group to characterize the transcriptional activity of individual cyanobacterial cells as they colonize a yeast host, en route to establishing endosymbiosis.

William Gropp

William Gropp

ORCID 0000-0003-2905-3029


William will provide high performance computing expertise, particularly for parallel performance of applications and I/O, as well as providing access to the Delta and Delta AI supercomputers at NCSA, and massive data storage modalities needed for sharing and disseminating center data.

Taekjip Ha

Taekjip Ha

Unit title Harvard Medical School

Website https://dms.hms.harvard.edu/people/taekjip-ha


Taekjip’s team will use MINFLUX and multiplexed DNA-PAINT imaging in combination with genome-wide mapping of DNA mechanics and nucleosome condensation in collaboration with Prasanth and Aksimentiev to provide unique biophysical inputs to mesoscale modeling of chromosome organization and dynamics performed by Luthey-Schulten.

HyeongJun Kim

HyeongJun Kim

Unit title University of Texas Rio Grande Valley

Website https://www.utrgv.edu/physics/people/faculty/hyeong-jun-kim/index.htm


HyeonJun and his research team elucidate the underlying working mechanisms of DNA-binding proteins. They will enhance their research capabilities and provide critical data for whole cell models by utilizing MINFLUX to study how DNA-bound proteins behave on DNA under different experimental conditions.

Sangjin Kim

Sangjin Kim

ORCID 0000-0002-8444-7891


Sangjin and her group will study the diffusion dynamics of macromolecules involved in gene expression in bacteria cells using MINFLUX, supporting one of the three cell types for which the center builds 4DWCMs.

Minjoung Kyoung

Minjoung Kyoung

Unit title University of Maryland, Baltimore County

Website https://chemistry.umbc.edu/faculty/minjoung-kyoung/


Minjoung and her group will employ MINFLUX to investigate the internal structure of glucosomes, multienzyme condensates within human cells, across different cellular stress conditions and during the interactions with other cellular compartments.

Siewert-Jan Marrink

Siewert-Jan Marrink

Unit title University of Groningen

Website https://www.rug.nl/staff/s.j.marrink/?lang=en


Siewert-Jan and his group will perform coarse-grained simulations of cellsd to provide a dynamic cells at near-atomic resolution, to be linked with more coarse grained and whole cell models my machine-learning-based techniques.

Paola Mera

Paola Mera

ORCID 0000-0003-3761-3786


Paola’s team will examine the dynamics of the bacterial chromosome at the initiation steps of chromosome replication and segregation using the MINFLUX system and collaborate with the Luthey-Schulten and Kim teams to model centromere segregation in bacteria.

Eric Morgan

Eric Morgan


Eric will coordinate science communication activities and research including facilitation of trainings and workshops for faculty and students associated with the center, offering a graduate level class in communicating science, and developing a formal certificate in science communication for the center that will provide opportunities for individuals beyond the university.

Kannanganattu V. Prasanth

Kannanganattu V. Prasanth

ORCID 0000-0003-4587-8362


Kannanganattu’s laboratory will use the MINFLUX microscope to quantify the dynamic interactions of nuclear domain-resident RNA binding proteins during various cellular stresses in eukaryotic cells, complementing investigations such as Gruebele’s MINFLUX-spliceosome studies.

Lei Qian

Lei Qian

Unit title Fisk University

Website https://www.fisk.edu/academics/lei-qian-biography/


Lei and his group will use machine learning techniques to study protein function in cells. He is also in charge of the program outreach effort for the center at Fisk University.

Luisa-Maria Rosu

Luisa-Maria Rosu


Luisa and the I-STEM evaluation team will monitor, document and report on the implementation, effectiveness, impact, and institutionalization of the STC-QCB’s research, outreach and educational activities and guide the Center via understanding and improvement of “program theory.”

Paul Selvin

Paul Selvin


Paul and his group will use the MINFLUX to detect fast “half-steps” of kinesin and dynein in three dimensions and as a function of force, as well as develop magnetic bead force measurements for MINFLUX.

Emad Tajkhorshid

Emad Tajkhorshid View Emad Tajkhorshid in Beckman directory

ORCID 0000-0001-8434-1010


Emad’s group develops and applies molecular modeling, simulation, and visualization to the investigation of dynamics-function relationships in biomolecular systems and processes. They recently moved into the challenging area of cell-scale modeling and simulation, focusing mostly on membrane assemblies, such as the viral envelopes and capsids. A recent key collaboration between Emad and Martin focused on the stability of the capsid in Hepatitis B virus.

Shulei Wang

Shulei Wang

ORCID 0000-0001-7440-9544


Shuleiand his group are developing machine learning methods and advanced statistical computational tools for large and complex biological data sets, including multi-omics and imaging data, like MINFLUX, used by Gruebele, Backlund and others to maximize data extraction.

Kai Zhang

Kai Zhang

ORCID 0000-0002-6687-4558


Kai and his lab use MINFLUX super-resolution imaging to investigate the assembly of supramolecular complex such as virus-like particles and inflammasomes, as well as dynamic interactions between organelles in cells.

Yingjie Zhang

Yingjie Zhang


Yingjie and his group will develop a new infrared tomography system for 3-D chemical profiling of metabolites in live cells with sub-cellular resolution. This work is done in close collaboration with the Bhargava group among others.

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Industry partners

  • Kristopher Keipert, NVIDIA
  • John Stone, NVIDIA
  • Christian Wurm, Abberior Instruments

Partner institutions

The University of Illinois Urbana-Champaign is partnering on this research with collaborators and colleagues from:

 

  • Fisk University
  • European Molecular Biology Lab
  • Harvard Medical School
  • J. Craig Venter Institute
  • KTH Royal Institute of Technology
  • Stockholm University
  • University of Groningen
  • University of Maryland, Baltimore County
  • University of Texas Rio Grande Valley

External Advisory Board

Wolfgang Baumeister, Max Planck Institute of Biochemistry

Dr. Baumeister is director emeritus and scientific member of the Department of Structural Biology, and leads the Emeritus Group Molecular Structural Biology.

Margaret Gardel, University of Chicago

Dr. Gardel is the Horace B. Horton Professor, physics and molecular engineering; director of the James Franck Institute, Institute for Biophysical Dynamics; and director of the NSF Center for Living Systems.

Amy Herr, University of California, Berkeley

Dr. Herr is the John D. & Catherine T. MacArthur Professor in the Department of Bioengineering, and chief technology officer and principal investigator for the Chan Zuckerberg Biohub Network.

Gerhard Hummer, Max Planck Institute of Biophysics

Dr. Hummer is director of the Department of Theoretical Biophysics at the Max Planck Institute of Biophysics in Frankfurt and a senior fellow at the Frankfurt Institute of Advanced Studies.

Shana Kelley, Northwestern

Dr. Kelley is president of the Chan Zuckerberg Biohub Chicago, and the Neena B. Schwartz Professor of chemistry and biomedical engineering.

Wei Min, Columbia University

Dr. Min is a professor of Chemistry.

Victor Muñoz, University of California, Merced

Dr. Muñoz is a professor of bioengineering at the University of California, Merced, and director of the Center for Cellular and Bio-Molecular Machines.

Jonas Reis, Max Perutz Labs, University of Vienna

Dr. Reis is a professor of advanced microscopy and cellular dynamics.